Hearthstone Heritage II & III Baffle Board Kit – 2438A | Replaces 90-76220 | Fits Models 8022 & 8023 | Includes Baffle, Bracket & Cotter Pin

Hearthstone Heritage II & III Baffle Board Kit – 2438A | Replaces 90-76220 | Fits Models 8022 & 8023 | Includes Baffle, Bracket & Cotter Pin | Superwool Plus | 2100°F Heat Rating | Made in USA

Restore heating efficiency and emissions compliance in your Hearthstone stove with the Lynn Manufacturing 2438A Replacement Baffle Board Kit. Designed as a direct replacement for Hearthstone part 90-76220, this kit fits Heritage II & III models 8022 and 8023 only. Constructed from Superwool Plus, it provides safe, durable performance at extreme temperatures while improving stove efficiency and longevity.

Key Features:

• Replaces OEM Part 90-76220 – Exact fit for Heritage II & III
• Complete Kit Includes:
  – 1 x Baffle Board (3120-022)
  – 1 x Stainless Steel Bracket (5022-014)
  – 1 x Cotter Pin (4300-0110)
• For Models 8022 & 8023 Only – Not compatible with Heritage I (8021) or Heritage IV (8024)
• Rated to 2100°F – Built for long-term use in high-heat environments
• Non-Hazardous Superwool Plus – Safer alternative to ceramic fiber with no GHS health warnings
• Rigidized Grey Finish – Reinforced for added durability and performance
• Made in the USA – Manufactured by Lynn Manufacturing

Specifications:

• Product Name: Hearthstone Heritage II & III Baffle Board Kit
• Part Number: 2438A
• Replaces: Hearthstone 90-76220
• Compatibility: Heritage II & III (Models 8022, 8023)
• Baffle Size: 17-1/2" x 8-1/2" x 1/2"
• Material: Rigid Superwool Plus (ceramic fiber alternative)
• Temperature Rating: Up to 2100°F
• Manufacturer: Lynn Manufacturing
• Country of Origin: USA

Why Choose the Lynn 2438A Kit?
The baffle board is critical for maintaining secondary combustion, stove efficiency, and EPA compliance. The 2438A Kit provides all necessary components for a complete replacement, ensuring proper heat retention, clean burns, and long-lasting safety with Superwool Plus—a modern, safe alternative to ceramic fiber.

Upgrade your Heritage II or III stove with the Lynn Manufacturing 2438A Baffle Kit – engineered for high heat, precision fit, and maximum durability.